2065531288 has 8 divisors (see below), whose sum is σ = 3872871180. Its totient is φ = 1032765640.

The previous prime is 2065531283. The next prime is 2065531291. The reversal of 2065531288 is 8821355602.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2065531288.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065531283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129095698 + ... + 129095713.

Almost surely, 2^2065531288 is an apocalyptic number.

It is an amenable number.

2065531288 is a deficient number, since it is larger than the sum of its proper divisors (1807339892).

2065531288 is a wasteful number, since it uses less digits than its factorization.

2065531288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258191417 (or 258191413 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 2065531288 is about 45448.1164406183. The cubic root of 2065531288 is about 1273.5341427099.

The spelling of 2065531288 in words is "two billion, sixty-five million, five hundred thirty-one thousand, two hundred eighty-eight".